Wormholes

answer is simple

NPC always use warp disruptors that dont disable microwarpdrive or microumpdrive
NPC capacitor nosferatu/neutralizers will disable your microarpdrive and can suck you dry so you wont start microjump drive.

just when you are in lowsec beware of these elder frigates that can hurt your freighter, i when i fly in transports via low i always get weapon in case some elder frigs ruin my day

only exceptions are burner missions where rats actually scrams